Iron Man is without a doubt the biggest playboy in the Marvel Universe, and his hookup list is seemingly endless. Tony Stark is a self-absorbed know-it-all who would rather spend time looking at himself in the mirror than almost anything else on the planet – BUT he’s also insanely smart, incredibly funny, unceasingly interesting, and very attractive. Combine all those things together and you have the world’s WORST boyfriend, but also, the world’s most outrageous partier and coolest superhero. And we have the list of ladies to prove it. Here are Iron Man’s Hottest Hookups.